Mordecai Yoffe

Mordecai ben Avraham Yoffe (or Jaffe or Joffe) (c. 1530 – 7 March 1612; Hebrew: מרדכי בן אברהם יפה) was a Rabbi, Rosh yeshiva and posek. He is best known as author of Levush Malkhus, a ten-volume codification of Jewish law that particularly stressed the customs of the Jews of Eastern Europe. He is known as "the Levush" or "the Ba'al Halevushim", for this work.